Definition of i
(Entry 1 of 8)
1a : the 9th letter of the English alphabet
b : a graphic representation of this letter
c : a speech counterpart of orthographic i
2 : one — see Table of Numbers
3 : a graphic device for reproducing the letter i
4 : one designated i especially as the ninth in order or class
5 : something shaped like the letter I
6 : a unit vector parallel to the x-axis
7
[abbreviation for incomplete]
a : a grade rating a student's work as incomplete
b : one graded or rated with an I
8 : i formation
Definition of i (Entry 2 of 8)
1 industrial
2 initial
3 intelligence
4 intensity
5 interlaced
6 intransitive
7 island; isle
Definition of i (Entry 3 of 8)
imaginary unit Imaginary numbers have an imaginary unit, like i, 4i, and -2i.— Yang Kuang and Elleyne Kase
I
pronounDefinition of I (Entry 4 of 8)
I
noun (2)Definition of I (Entry 5 of 8)
: someone aware of possessing a personal individuality : self
Definition of I (Entry 6 of 8)
1 electric current
2 Indian
3 interstate
4 Israeli
Definition of I (Entry 7 of 8)
iodine
-i-
affixDefinition of -i- (Entry 8 of 8)
—used as a connective vowel to join word elements especially of Latin originmatrilinealraticide
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Time Traveler for i
The first known use of i was before the 12th century
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